Mark QUIC broken when the network blackholes after the handshake

net/quic/chromium/quic_stream_factory_peer.cc

Index: net/quic/chromium/quic_stream_factory_peer.cc
diff --git a/net/quic/chromium/quic_stream_factory_peer.cc b/net/quic/chromium/quic_stream_factory_peer.cc
index 8ddb9dd649f47893ac2ee821d23e9c82f246b599..62763d251beef647351ef26e008f61353ca1f62f 100644
--- a/net/quic/chromium/quic_stream_factory_peer.cc
+++ b/net/quic/chromium/quic_stream_factory_peer.cc
@@ -203,5 +203,11 @@ int QuicStreamFactoryPeer::GetNumPushStreamsCreated(
   return factory->num_push_streams_created_;
 }
 
+void QuicStreamFactoryPeer::SetAlarmFactory(
+    QuicStreamFactory* factory,
+    std::unique_ptr<QuicAlarmFactory> alarm_factory) {
+  factory->alarm_factory_ = std::move(alarm_factory);
+}
+
 }  // namespace test
 }  // namespace net